seo: add locale to sitemap

aster-void · aster-void · commit e99ac3abf8bd · 2025-03-17T16:06:05.000+09:00
diff --git a/astro.config.ts b/astro.config.ts
@@ -24,7 +24,14 @@ export default defineConfig({
       },
     }),
     mdx(),
-    sitemap(),
+    sitemap({
+      i18n: {
+        defaultLocale: "ja",
+        locales: {
+          ja: "ja-JP",
+        },
+      },
+    }),
   ],
 
   prefetch: {
